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Easily Replaceable USB-C Port Spawned By EU Laws | Hackadayhttps://hackaday.com/2026/02/26/easily-replaceable-usb-c-port-spawned-by-eu-laws/

  • Usb-c
  • Usb-c

The USB-C port has become a defacto connectivity standard for modern devices, largely supplanting the ugly mess of barrel jacks and micro USB connectors that once cursed us. While their reliability…
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February 26, 2026 at 8:35:58 PM GMT+1
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Stop Ironing 3D Prints | Hackadayhttps://hackaday.com/2026/02/25/stop-ironing-3d-prints/

  • 3dprint
  • 3dprint

If you want smooth top surfaces on your 3D printed parts, a common technique is to turn on ironing in your slicer. This causes the head to drag through the top of the part, emitting a small amount …
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February 26, 2026 at 7:15:44 AM GMT+1
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Bringing Flip-Dot Displays Into the 21st Century - Hackster.iohttps://www.hackster.io/news/bringing-flip-dot-displays-into-the-21st-century-4cbc186d6f35

  • Display
  • Display

Unlock the magic of vintage flip-dot displays with this modern hardware hack that brings retro mechanical pixels back to life.
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February 25, 2026 at 8:04:58 PM GMT+1
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X-Ray A PCB Virtually | Hackadayhttps://hackaday.com/2026/02/23/x-ray-a-pcb-virtually/

  • Pcb
  • Reverse
  • Pcb
  • Reverse

If you want to reverse engineer a PC board, you could do worse than X-ray it.  But thanks to [Philip Giacalone], you could just take a photo, load it into PCB Tracer, and annotate the images. You c…
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February 24, 2026 at 8:21:22 PM GMT+1
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sylverb/game-and-watch-retro-go-sdhttps://github.com/sylverb/game-and-watch-retro-go-sd?tab=readme-ov-file#pre-modded-options

  • Hack
  • Game & watch
  • Hack
  • Game & watch

Contribute to sylverb/game-and-watch-retro-go-sd development by creating an account on GitHub.
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February 22, 2026 at 8:53:36 PM GMT+1
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Scanning Table For The Professional Maker | Hackadayhttps://hackaday.com/2026/02/10/scanning-table-for-the-professional-maker/

  • 3d scan
  • 3dprint
  • Arduino
  • 3d scan
  • 3dprint
  • Arduino

Sometimes the simplest objects need some overthinking. This is exactly what [Chris Borge] realized when using his 3D scanner and finding that the included rotation table left quite a bit to be desi…
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February 11, 2026 at 9:26:53 AM GMT+1
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A DIY Retro-Modern Alarm Clock for Under $10 - Hackster.iohttps://www.hackster.io/news/a-diy-retro-modern-alarm-clock-for-under-10-4e4e972345d8

  • Esp
  • Clock
  • 3dprint
  • Esp
  • Clock
  • 3dprint

Build your own ESPclock with a Wemos D1 mini and a 3D-printed case for a customizable, budget-friendly DIY alarm clock.
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February 5, 2026 at 8:01:41 PM GMT+1
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A CNC Dock for the Etch A Sketch - Hackster.iohttps://www.hackster.io/news/a-cnc-dock-for-the-etch-a-sketch-e4f8bf24581e

  • Game
  • Game

Engineer Nikodem Bartnik built the "CNC A Sketch," a robotic dock using a Raspberry Pi Pico to turn images into perfect Etch A Sketch art.
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February 4, 2026 at 8:28:19 PM GMT+1
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The Quickest and Easiest Way to Make Neat 3D Puzzles - Hackster.iohttps://www.hackster.io/news/the-quickest-and-easiest-way-to-make-neat-3d-puzzles-6fbd48edc8ce

  • Lego
  • Laser
  • Lego
  • Laser

Instructables user the_real_harvey came up with a very quick and easy method for making 3D puzzles.
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January 29, 2026 at 9:29:05 PM GMT+1
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Using 3D Printing And Copper Tape To Make PCBs | Hackadayhttps://hackaday.com/2026/01/28/using-3d-printing-and-copper-tape-to-make-pcbs/

  • Pcb
  • 3dprint
  • Copper strip
  • Pcb
  • 3dprint
  • Copper strip

In a recent video [QWZ Labs] demonstrates an interesting technique to use 3D printing to make creating custom PCBs rather straightforward even if all you have is a 3D printer and a roll of copper t…
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January 29, 2026 at 7:16:12 AM GMT+1
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The Arduino UNO, Now in Extra-Large - Hackster.iohttps://www.hackster.io/news/the-arduino-uno-now-in-extra-large-7a15236d9e8a

  • Arduino
  • Big
  • Arduino
  • Big

UncleStem just built a massive, fully functional Arduino UNO that is scaled up seven times its original size.
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January 26, 2026 at 8:49:08 PM GMT+1
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One-Dimensional Space Invaders Looks Surprisingly Fun - Hackster.iohttps://www.hackster.io/news/one-dimensional-space-invaders-looks-surprisingly-fun-a2f1711c9ab7

  • Led
  • Game
  • Led
  • Game

This 1D RGB Invaders game actually seems like more fun than regular old Space Invaders.
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January 23, 2026 at 2:31:41 PM GMT+1
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Audio Reactive WLED LED Lamp (ESP32 + WS2812B + 3D Printing) : 16 Steps (with Pictures) - Instructableshttps://www.instructables.com/Audio-Reactive-WLED-LED-Lamp-ESP32-WS2812B-3D-Prin/

  • Led
  • Esp32
  • Led
  • Esp32

Audio Reactive WLED LED Lamp (ESP32 + WS2812B + 3D Printing): In this project we build an Audio Reactive LED lamp inspired by the WLED logo, using an ESP32 and a 5V WS2812B strip (96 LEDs). The lamp is fully 3D printed and designed for clean, hidden internal wiring. You can either use the custom PCB with an IN…
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January 22, 2026 at 8:40:10 PM GMT+1
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The Perfect Minimalist LED Clock - Hackster.iohttps://www.hackster.io/news/the-perfect-minimalist-led-clock-49a4e4440518

  • Esp32
  • Weather
  • Clock
  • Esp32
  • Weather
  • Clock

ESPTimeCast is a hackable, Wi-Fi-connected LED matrix clock and weather display powered by an ESP32 or ESP8266 microcontroller.
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January 19, 2026 at 8:38:50 PM GMT+1
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Build Your Own Pro-Grade 3D Scanner Without the Commercial Price Tag - Hackster.iohttps://www.hackster.io/news/build-your-own-pro-grade-3d-scanner-without-the-commercial-price-tag-6964b9c00d30

  • 3d scan
  • Open source
  • 3d scan
  • Open source

With a Raspberry Pi and a used LiDAR sensor, an engineer built a pro-grade 3D mapping system for a fraction of the commercial cost.
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January 19, 2026 at 5:22:54 PM GMT+1
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The (likely?) cheapest home-made Michelson interferometerhttps://guille.site/posts/3d-printed-michelson/

  • Laser
  • Michelson
  • 3dprint
  • Laser
  • Michelson
  • 3dprint

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January 13, 2026 at 8:35:58 PM GMT+1
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Glen Akins' Tiny Traffic Lights Pack a Full-Color Display Into Each Aspect — with Wi-Fi Support, Too - Hackster.iohttps://www.hackster.io/news/glen-akins-tiny-traffic-lights-pack-a-full-color-display-into-each-aspect-with-wi-fi-support-too-e23d30c50317

  • 3dprint
  • Light
  • 3dprint
  • Light

This 3D-printed miniature traffic light set isn't your standard introductory electronics project!
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January 13, 2026 at 8:33:15 PM GMT+1
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Optimizing A Desktop, 3D Printed Wind Tunnel | Hackadayhttps://hackaday.com/2026/01/12/optimizing-a-desktop-3d-printed-wind-tunnel/

  • 3dprint
  • Car
  • Venturi
  • 3dprint
  • Car
  • Venturi

You’ve heard of wind tunnels– get some airflow going over a thingy, put some some smoke on, and voila! Flow visualization. How hard could it be? Well, as always, the devil is in the det…
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January 13, 2026 at 7:33:47 AM GMT+1
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Every Page in This Book Is a Functional PCB - Hackster.iohttps://www.hackster.io/news/every-page-in-this-book-is-a-functional-pcb-7feb79f02d5b

  • Course
  • Book
  • Pcb
  • Course
  • Book
  • Pcb

Reference Circuits is a PCB-based book where every page is a live circuit you can experiment with to learn about electronics.
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January 12, 2026 at 8:53:22 PM GMT+1
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Reverse-Engineering The Tamagotchi IR Connection | Hackadayhttps://hackaday.com/2026/01/10/reverse-engineering-the-tamagotchi-ir-connection/

  • Hack
  • Ir
  • Game
  • Hack
  • Ir
  • Game

The Tamagotchi Connection is a series of Tamagotchi toys that took the original portable pet concept and mixed things up with a wireless connection, which allowed you to interact with the pets of o…
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January 12, 2026 at 8:47:59 PM GMT+1
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